/*
 * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.security.web.authentication.switchuser;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.SpringSecurityCoreVersion;
import org.springframework.util.Assert;

public final class SwitchUserGrantedAuthority implements GrantedAuthority {

    private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID;

    private final String role;
    private final Authentication source;

    public SwitchUserGrantedAuthority(String role, Authentication source) {
        Assert.notNull(role, "role cannot be null");
        Assert.notNull(source, "source cannot be null");
        this.role = role;
        this.source = source;
    }

    public Authentication getSource() {
        return source;
    }

    @Override
    public String getAuthority() {
        return role;
    }

    @Override
    public int hashCode() {
        int result = this.role.hashCode();
        result = 31 * result + this.source.hashCode();
        return result;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }
        if (obj instanceof SwitchUserGrantedAuthority) {
            SwitchUserGrantedAuthority swa = (SwitchUserGrantedAuthority) obj;
            return this.role.equals(swa.role) && this.source.equals(swa.source);
        }
        return false;
    }

    @Override
    public String toString() {
        return "Switch User Authority [" + role + "," + source + "]";
    }
}
